Home / 215,261.55-297,470.58-161,453.15

Finding the Fourth Proportional to 215,261.55, 297,470.58 and 161,453.15

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Solution

The fourth proportional to 215,261.55, 297,470.58 and 161,453.15 is: 223,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,261.55 : 297,470.58 = 161,453.15 : x
  2. Step 2: Convert to fraction form
    215,261.55/297,470.58 = 161,453.15/x
  3. Step 3: Cross multiply
    215,261.55x = 297,470.58 × 161,453.15
  4. Step 4: Simplify right side
    215,261.55x = 48,027,561,196.04
  5. Step 5: Solve for x
    x = 48,027,561,196.04/215,261.55
  6. Step 6: Final answer
    x = 223,112.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.